Packera hartiana (A.Heller) W.A.Weber & Á.Löve

Hart's ragwort (en)

Species

Angiosperms > Asterales > Asteraceae > Packera

Characteristics

Perennials, 40–70 cm; fibrous-rooted, sometimes stoloniferous (caudices ascending). Stems 1 or 2–3, clustered, bases and leaf axils usually loosely floccose-tomentose, sometimes glabrate. Basal leaves petiolate; blades ovate to obovate or suborbiculate, 30–80 × 20–40+ mm, bases tapering, sometimes obtuse or contracted, margins serrate-dentate to weakly crenate (abaxial faces sometimes hairy). Cauline leaves gradually reduced (petiolate, often sublyrate, sometimes weakly pinnatisect; mids and distals sessile, pinnatisect to subentire). Heads 3–9+ in open, corymbiform arrays. Peduncles bracteate, loosely tomentose or glabrescent. Calyculi 0. Phyllaries (13–)21, green, 5–7 mm, glabrous or sparsely tomentose. Ray florets 8 or 13; corolla laminae 5–8 mm. Disc florets 50–65+; corolla tubes 2–4 mm, limbs 2.5–3.5 mm. Cypselae 1–2 mm, glabrous; pappi 3.5–4.5 mm. 2n = 44.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.4 - 0.7
Root system fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Packera hartiana world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:909323-1
WFO ID wfo-0000078461
COL ID 75J3V
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Senecio prionophyllus Packera quaerens Packera hartiana Senecio quaerens Senecio hartianus